弦模型中的中微子问题

Proceedings of Corfu Summer Institute 2021 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2021) Pub Date : 2022-11-23 DOI:10.22323/1.406.0126

C. Kokorelis

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引用次数: 0

摘要

在电弱相互作用的标准模型中，中微子是无质量的，并且不能预测不同种类的中微子之间的混合。标准模型也不包括重力。我讨论了在弦理论的d膜模型中无菌中微子的首次出现。我特别关注IIA orientifolds的5层交叉d6膜弦模型。无菌中微子与一个家族的右手中微子和左手中微子偶联。无菌中微子的存在与弦RR蝌蚪抵消条件的满足无关。

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The neutrino problem in string models

At the standard model of electroweak interactions neutrinos are massless and mixing among the neutrinos in different families is not predicted. Also the standard model does not include gravity. I discuss the first appearance of sterile neutrinos in D-brane models from string theories. In particular, I focus on a 5-stack intersecting D6-brane string model from IIA orientifolds. The sterile neutrinos couple to the right handed neutrino and the left handed neutrino of a single family. The existence of sterile neutrinos is independent of string RR tadpole cancellation conditions satisfaction.

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Proceedings of Corfu Summer Institute 2021 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2021)

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